$(document).ready(function(){
    $('#bxslider-top').bxSlider({
        controls: true,
        auto: true,
        autoControls: false,
        autoHover: true,
        speed: 800,
        pause: 4000,
        easing: 'linear',
        nextSelector: '#b-next',
        prevSelector: '#b-prev',
        nextText: '',
        prevText: '',
        pager: true,
        onSliderLoad:function(){
           $('#bxslider-top').css({"visibility":"visible"})
        } 
   });
});